Filter circuit and filter integrated circuit

Details Filter circuit and filter integrated circuit Filter circuit and filter integrated circuit

1992-10-19

1994-03-08

Bertsch, Richard A.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

328167, H03K 501

Patent

active

052930874

ABSTRACT:
A filter circuit and a filter integrated circuit capable of being used in a high frequency band comprises a first resistor R.sub.1 connected between an input signal source and an emitter of a common-base transistor TR.sub.1, a first capacitor C.sub.1 connected between said input signal source and a reference voltage point, a second capacitor C.sub.2 connected between said input signal source and a collector of the common-base transistor TR.sub.1, and a second resistor R.sub.2 connected between the collector of the common-base transistor and the reference voltage point. Thus, a low-pass filter which operates in a high frequency band and suppresses the influence of characteristic parameters over the filter characteristic can be constructed.

REFERENCES:
patent: 3890577 (1975-06-01), Grundy

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